Boomerangs, barbecues, pinball machines, umbrellas, ice cream treats and strobe lights seem ordinary enough. In the Science Channel series How It's made, find out what it takes to make them. Discover the secrets to manufacturing stackable potato chips, chainsaws, padlocks, carved candles, grandfather clocks, airline meals, tape measures, and fire extinguishers. Take the mystery out of everyday items such as slot machines, trumpets, banjos, football helmets, and more with a look at how they are made.